9 Downloadable image files of footwear, sneakers and unique works of art authenticated by non-fungible tokens (NFTs); Downloadable software for remote network-based management of cryptographic assets on a blockchain with unique identification codes and metadata; unique cryptographic tokens (NFTs) on a blockchain used to authenticate downloadable multimedia file containing collectible images and videos relating to footwear, sneakers and unique works of art; downloadable graphic files, and audio and video recordings featuring memes authenticated by non-fungible tokens (NFTs); downloadable image files containing memes authenticated by non-fungible tokens (NFTs)